The sample weighing 9.49g occupies 68.2 L at 353 K and 2.00 atm.
What is H2 gas?
H2, hydrogen, is a chemical element having the atomic number 1. Hydrogen is considered the lightest element and also the most abundant in the universe.
At standard conditions, hydrogen would be a gas of diatomic molecules with the formula H2.
Hydrogen is colorless, tasteless, odorless, non toxic, and highly combustible.
Hydrogen is used for many industrial purposes, like refining petrol, producing fertilizers, treating metals, etc.
It is used for exploring space by using liquid hydrogen for rocket fuels, and also to power electrical systems on spacecrafts by using hydrogen fuel cells.
So, therefore, the sample weighing 9.49g occupies 68.2 L at 353 K and 2.00 atm.
Learn more about hydrogen here: https://brainly.com/question/24433860
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